CVE-2021-40345: nagios nagios_xi Command Injection

Vulnerability summary

CVE-2021-40345 is a high (CVSS 9.0) Command Injection vulnerability in nagios nagios_xi. EPSS estimates a 22.69% chance of exploitation in the next 30 days, higher than 97.7% of scored vulnerabilities. 2 public exploits are recorded.

Timeline

1. 26-10-2021
   PublishedVulnerability first disclosed.
2. 04-08-2024
   Last modifiedVulnerability information updated.

Description

An issue was discovered in Nagios XI 5.8.5. In the Manage Dashlets section of the Admin panel, an administrator can upload ZIP files. A command injection (within the name of the first file in the archive) allows an attacker to execute system commands.

• CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.